Poison Ivy’s Pervasiveness

Are you part of the 80% of the population that is allergic to poison ivy? What do we really know about poison ivy beyond its potential to cause an itchy rash on our skin? Poison ivy can actually adapt to its environment and exploit a variety of habitats, which helps explain its ubiquitous distribution. A future climate with greater carbon dioxide concentrations is expected to expand its distribution and increase its toxicity – bad news.

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